refactor: remove unused Jinja2Templates super class (#3803)

lnbits/helpers.py

@@ -7,15 +7,14 @@ from typing import Any
 from urllib import request
 from urllib.parse import urlparse
 
-import jinja2
 import jwt
 import shortuuid
 from fastapi.routing import APIRoute
 from loguru import logger
 from packaging import version
 from pydantic.schema import field_schema
+from starlette.templating import Jinja2Templates
 
-from lnbits.jinja2_templating import Jinja2Templates
 from lnbits.settings import settings
 from lnbits.utils.crypto import AESCipher
 from lnbits.utils.exchange_rates import currencies
@@ -66,7 +65,7 @@ def template_renderer(additional_folders: list | None = None) -> Jinja2Templates
             for f in additional_folders
         ]
         folders.extend(additional_folders)
-    t = Jinja2Templates(loader=jinja2.FileSystemLoader(folders))
+    t = Jinja2Templates(directory=folders)
     t.env.globals["static_url_for"] = static_url_for
     t.env.globals["normalize_path"] = normalize_path
 

lnbits/jinja2_templating.py

@@ -1,28 +0,0 @@
-import typing
-
-from jinja2 import BaseLoader, Environment, pass_context
-from starlette.datastructures import QueryParams
-from starlette.requests import Request
-from starlette.templating import Jinja2Templates as SuperJinja2Templates
-
-
-class Jinja2Templates(SuperJinja2Templates):
-    def __init__(self, loader: BaseLoader) -> None:
-        self.env = self.get_environment(loader)
-        super().__init__(env=self.env)
-
-    def get_environment(self, loader: BaseLoader) -> Environment:
-        @pass_context
-        def url_for(context: dict, name: str, **path_params: typing.Any) -> str:
-            request: Request = context["request"]
-            return request.app.url_path_for(name, **path_params)
-
-        def url_params_update(init: QueryParams, **new: typing.Any) -> QueryParams:
-            values = dict(init)
-            values.update(new)
-            return QueryParams(**values)
-
-        env = Environment(loader=loader, autoescape=True)
-        env.globals["url_for"] = url_for
-        env.globals["url_params_update"] = url_params_update
-        return env